In-Vitro and In-Vivo Study of Dye Diffusion into the Human Skin and Hair Follicles

    November 2000 in “ Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE ”
    Elina A. Genina, Alexey N. Bashkatov, Yurii P. Sinichkin, Vyacheslav I. Kochubey, Nina A. Lakodina, Olga A. Perpelitzina, Gregory B. Altshuler, Valery V. Tuchin
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    TLDR Dyeing hair can help target and destroy hair follicles selectively.
    The study investigated dye diffusion into human skin and hair follicles both in vitro and in vivo. Results demonstrated that dyeing could enhance the absorption coefficient of hair follicle tissue components, making it a potential method for selective photodestruction of hair follicles and surrounding tissues. The research also determined the strength and depth of hair follicle dyeing for various dyes.
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